Application: 

The rebound hammer complies with the GB/T9138-1988 standard, the JJG817-93 procedure and the JGJ/T23-2001 technical specification. It is suitable for testing the strength of general building components, bridges and various concrete members (boards, beams, columns, bridges).

Features：
1.The center guide rod adopts imported materials with high precision and wear resistance;
2.The shell is made of polymer composite material to avoid damage to the instrument during the field operation and prolong the service life;
3.The pointer slider adopts an external coil structure, which not only facilitates the adjustment of the friction force, but also ensures the uniform friction between the pointer shaft and the pointer slider, and ensures the accuracy of the instrument. Compared with peer products, it has high precision, high quality and low price, and long service life.

Q: Are you trading company or manufacturer ?
A: We are the manufactory ,in this area for 20years

Q: How long is your delivery time?
A:  If the products  in stock, generally 5-10 days,.if stockout 15-20 days  ,according to the  quantity of  order.

Q: Do you provide samples ? is it free ?
A: Yes, we could offer the sample for your test , but its not free.Hope to understand the high cost of products for high quality

Q: What is your terms of payment ?
A: Payment amount<=1000USD, 100% in advance. Payment amount >=1000USD, 30% T/T in advance ,balance as the B/L copy

If any question, pls feel free to contact us as below: 

Phone$WhatsApp:0086-13738977671

Skype:752721336